Patents by Inventor Terence W. Dahl

Terence W. Dahl has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Sign holder
    Patent number: 4753027
    Abstract: A sign holder having a substantially transparent, flexible cover which is closely received in a base. The cover is removed from the base by flexing the cover to free the ends of the cover from pockets on the base. The sign is positioned between a mounting surface of the base and the cover. Air channels are provided in the base and the walls forming the pockets to prevent the formation of a vacuum when water enters the interface between the cover and the base, while inhibiting external access by vandals.
    Type: Grant
    Filed: June 3, 1986
    Date of Patent: June 28, 1988
    Assignee: Thomas Machine & Foundry, Inc.
    Inventor: Terence W. Dahl
  • Method of making a unitary frame for a winch
    Patent number: 4109598
    Abstract: This invention is for a unitary frame for a winch and the method for making said unitary frame.The frame is made from relatively thick metal, such as steel and the various alloys of steel, and is at least about 3/16 inch thick.The frame comprises a base and two spaced-apart upright sides.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: August 29, 1978
    Inventors: Robert C. Kucher, Terence W. Dahl